Provided is a pull-on diaper that does not give the impression of fitting too tightly. The pull-on diaper is provided with a front belt (18) and back belt (19) that extend around the waist, and a crotch panel (13) that forms a bridge between the front and back belts. Multiple strands of elastic waistline members (30) extending in the waistline direction are attached on the front and back belts in an extended state. A pair of barrier cuffs (40) that extend in parallel are provided on the two side edges (13c, 13d) of the crotch panel. The barrier cuffs are bonded to the crotch panel at fixed edges (40c) that extend in parallel on the two side edges of the crotch panel and at front bonded sections (48a) and back bonded sections (48b) located at the two ends in the vertical direction. The barrier cuffs comprise free edges (40d) that extend between the front and back bonded sections, and barrier cuff elastic members (42) that are attached to the free edges in an extended state and extend between the front and back bonded sections. The front and back bonded sections intersect with the lowest elastic members (30b) of the multiple strands of elastic waistline members and extend in the vertical direction.Linvention concerne une couche-culotte qui ne donne pas limpression dêtre ajustée trop étroitement. La couche-culotte est munie dune ceinture avant (18) et dune ceinture arrière (19) qui sétendent autour de la taille, et dun panneau dentrejambe (13) qui forme un pont entre les ceintures avant et arrière. De multiples bandes déléments de tour de taille élastiques (30) sétendant dans la direction du tour de taille sont attachées sur les ceintures avant et arrière dans un état dextension. Une paire de rebords formant barrière (40) qui sétendent en parallèle sont formés sur les deux bords latéraux (13c, 13d) du panneau dentrejambe. Les rebords formant barrière sont liés au panneau dentrejambe au niveau de bords fixés (40C) qui sétendent en parallèle sur les deux bords latéraux d